Mat.No. 1.2552, DIN 80WCrV8
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Designation by Standards Mat. No. DIN EN AISI 1.2552 80WCrV8 - - Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.80 0.50 0.40 1.10 0.15 - 0.30 1.95 - Description Low alloyed cold working tool steel. Applications For tough and wear resistant cutting tools (dies, punchers) for plate, woodworking tools, etc. Physical properties (avarage values) at ambient temperature Modulus of elasticity [103 x N/mm2]: 210 Density [g/cm3]: 7.94 Coefficient of Linear Thermal Ex...
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Designation by Standards
| Mat. No. | DIN | EN | AISI |
| 1.2552 | 80WCrV8 | - | - |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.80 | 0.50 | 0.40 | 1.10 | 0.15 | - | 0.30 | 1.95 | - |
Description
Low alloyed cold working tool steel.
Applications
For tough and wear resistant cutting tools (dies, punchers) for plate, woodworking tools, etc.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.94
Coefficient of Linear Thermal Expansion 10-6 oC-1
| 20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC | 20-600oC | 20-700oC |
| 10.7 | 12.1 | 12.1 | 12.6 | 13.2 | 13.6 | 14.1 |
Continuous Cooling Transformation (CCT) Diagram
Time-Temperature Transformation (TTT) Diagram
Soft Annealing
Heat to 720-750oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 250.
Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to approx. 650oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.
Hardening
Harden from a temperature of 860-900oC followed by oil quenching. Hardness after quenching is min. 62 HRC.
Tempering
Tempering temperature: 150-400oC. Average hardness after tempering is 54-62 HRC.
Tempering Temperature (oC) vs. Hardness (HRC)
| 100oC | 200oC | 300oC | 400oC | 500oC |
| 62.5 | 61.5 | 59.5 | 56.5 | 53 |
Tempering Diagram
Click the image to enlarge the diagram.
Forging
Hot forming temperature: 1050-850oC.
Machinability
No data.
Disclaimer
The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.
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